The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 02, 2004
Filed:
Feb. 25, 2002
Applicant:
Inventors:
Kazuo Funazaki, Nakajo-machi, JP;
Katsuhiro Fujita, Nakajo-machi, JP;
Osamu Shinji, Nakajo-machi, JP;
Assignee:
Kuraray Co., Ltd., Okayama, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03B 2/160 ;
U.S. Cl.
CPC ...
G03B 2/160 ;
Abstract
A transmission type screen is disclosed. The transmission type screen comprises a Fresnel lens sheet, a lenticular lens sheet provided with convex black stripes on the light-exit surface, and a diffusion sheet having an uneven surface on one side thereof. In the transmission type screen, the uneven surface of the diffusion sheet is joined to the lenticular lens sheet at the top portions of black stripes.